Features and Benefits:78” x 39” tableMade from 250 Cast Ironwith nitride coatingBrinell Hardness 140~1605 Mounting SurfacesExpandable2 ton weight capacityIndustry Standard 28mm Mounting holes100mm hole spacingMade from 250 Cast iron the WJT-7839-HD welding jig table from Baileigh Industrial is made to withstand the rigors of any shop. All of Baileigh Industrial's welding tables are made to exact tolerances and maintain flatness of +/- .0025" and have a hardness rating of 140 to 160 Brinell.